package com.qk.common;

import lombok.Data;

import java.io.Serializable;

/**
 * 后端给前端统一的结果响应类
 */
@Data
public class Result implements Serializable {

    private Integer code; //编码：1成功，0为失败
    private String msg; //错误信息
    private Object data; //数据


    //构造私有化
    private Result() {}

    //成功静态方法  比如  增删改
    public static Result success() {
        Result result = new Result();
        result.code = 1;
        result.msg = "success";
        return result;
    }

    //成功静态方法 , 一般响应数据给前端  比如  查询
    public static Result success(Object data) {
        Result result = new Result();
        result.data = data;
        result.code = 1;
        result.msg = "success";
        return result;
    }

    //失败静态方法
    public static Result error(String msg) {
        Result result = new Result();
        result.msg = msg;
        result.code = 0;
        return result;
    }

}